1. M. B.Smith and J.March , in Advanced Organic Chemistry , Wiley , New York , 5th edn, 2001 , pp. 484–490
2. C.Larock , in Comprehensive Organic Transformations , Wiley-VCH , New York , 2nd edn, 1999 , pp. 1932–1941
3. Recent development of peptide coupling reagents in organic synthesis
4. Amide bond formation and peptide coupling
5. J.Otera , in Esterification Methods, Reactions and Applications , Wiley-VCH , Weinheim, Germany , 2003